Galileo Galilei

The telescope's great witness, tried by the Inquisition for defending the moving Earth.

Core Principles & Analysis

• Saw Jupiter's moons and the Moon's mountains through his telescope from 1609.
• His Dialogue defending heliocentrism earned him house arrest for life in 1633.
• Measured falling bodies and pendulums, laying the ground for Newton.

Specifications & Metrics

• ERA: 1564 – 1642